TY  - GEN
AU  - Hewage, W.K.
TI  - Vyawahaarika ganithaya : sthithi vidyaawa haa drawasthithi vidyaawa for O/L & A/L
PY  - 1973///
CY  - Thalawathugoda
PB  - Virani
KW  - APPLIED MATHEMATICS
N1  - Wdth.-Council memo No.315/11 dtd. 6/6/2007 Text in Sinhala
ER  -